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EP0320283A3 - Electro-optical device - Google Patents

Electro-optical device Download PDF

Info

Publication number
EP0320283A3
EP0320283A3 EP88311677A EP88311677A EP0320283A3 EP 0320283 A3 EP0320283 A3 EP 0320283A3 EP 88311677 A EP88311677 A EP 88311677A EP 88311677 A EP88311677 A EP 88311677A EP 0320283 A3 EP0320283 A3 EP 0320283A3
Authority
EP
European Patent Office
Prior art keywords
electro
optical device
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88311677A
Other versions
EP0320283B1 (en
EP0320283A2 (en
Inventor
Hiroshi Wada
Chiyoaki Iijima
Hiroshi Ohara
Yoichi Momose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62313076A external-priority patent/JP2615715B2/en
Priority claimed from JP63053005A external-priority patent/JPH01225922A/en
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP0320283A2 publication Critical patent/EP0320283A2/en
Publication of EP0320283A3 publication Critical patent/EP0320283A3/en
Application granted granted Critical
Publication of EP0320283B1 publication Critical patent/EP0320283B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133636—Birefringent elements, e.g. for optical compensation with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G02F1/1397—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
EP88311677A 1987-12-10 1988-12-09 Electro-optical device Expired - Lifetime EP0320283B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP62313076A JP2615715B2 (en) 1987-12-10 1987-12-10 Manufacturing method of electro-optical element
JP313076/87 1987-12-10
JP63053005A JPH01225922A (en) 1988-03-07 1988-03-07 liquid crystal display device
JP53005/88 1988-03-07

Publications (3)

Publication Number Publication Date
EP0320283A2 EP0320283A2 (en) 1989-06-14
EP0320283A3 true EP0320283A3 (en) 1990-03-14
EP0320283B1 EP0320283B1 (en) 1994-05-25

Family

ID=26393686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88311677A Expired - Lifetime EP0320283B1 (en) 1987-12-10 1988-12-09 Electro-optical device

Country Status (5)

Country Link
US (1) US5119216A (en)
EP (1) EP0320283B1 (en)
KR (1) KR960007791B1 (en)
DE (1) DE3889720T2 (en)
HK (1) HK108397A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68918192T2 (en) * 1988-07-19 1995-03-16 Sharp Kk Double-layer liquid crystal display device.
JPH02149822A (en) * 1988-11-30 1990-06-08 Sharp Corp liquid crystal display device
EP0394570A1 (en) * 1989-04-24 1990-10-31 Seiko Epson Corporation An electro-optical device
DE3925382A1 (en) * 1989-06-14 1991-01-03 Merck Patent Gmbh ELECTROOPTIC SYSTEM WITH COMPENSATION FILM
JPH03103824A (en) * 1989-09-19 1991-04-30 Semiconductor Energy Lab Co Ltd Liquid crystal electro-optical device
NL9001142A (en) * 1990-05-16 1991-12-16 Philips Nv DISPLAY DEVICE.
US5329387A (en) * 1990-11-27 1994-07-12 Casio Computer Co., Ltd. Liquid crystal display device with display and compensation cells separated by distance larger than depth of focus of optical enlarger
TW200604B (en) * 1991-09-17 1993-02-21 Philips Nv
TW229279B (en) * 1992-06-18 1994-09-01 Casio Computer Co Ltd
US5426009A (en) * 1992-09-19 1995-06-20 Merck Patent Gesellschaft Mit Beschrankter Haftung Polymeric composite material
US5550660A (en) * 1993-11-22 1996-08-27 Tektronix, Inc. STN displays having high contrast, with purple polarizer and residual birefringence causing greenish-gold or purplish-blue coloring
JPH07244284A (en) * 1994-03-02 1995-09-19 Fujitsu Ltd Liquid crystal display
US5587827A (en) * 1995-02-01 1996-12-24 Hakimi; Hosain Apparatus for compensating chromatic and polarization dispersion and frequency chirp in fiber optics and for pulse compression in laser systems
TW330986B (en) * 1995-07-25 1998-05-01 Toshiba Co Ltd LCD element and optically anisotropic element
US6137560A (en) * 1995-10-23 2000-10-24 Hitachi, Ltd. Active matrix type liquid crystal display apparatus with light source color compensation
TW510504U (en) * 1996-05-10 2002-11-11 Citizen Watch Co Ltd Liquid crystal optical valve
JP3452755B2 (en) 1997-04-07 2003-09-29 シャープ株式会社 Liquid crystal display
WO2001059513A1 (en) * 2000-02-07 2001-08-16 Nippon Mitsubishi Oil Corporation Reflection type liquid crystal display element
WO2002041072A1 (en) * 2000-11-15 2002-05-23 Nippon Oil Corporation Semitransparent liquid crystal display device
JP4285350B2 (en) * 2004-02-26 2009-06-24 セイコーエプソン株式会社 Viewing angle control element and manufacturing method thereof, liquid crystal display device, electronic device
CN108027470B (en) * 2015-10-05 2020-12-18 株式会社Lg化学 Optical film
CN105974697A (en) * 2016-07-20 2016-09-28 京东方科技集团股份有限公司 Display panel and display device
US10816816B2 (en) * 2018-09-04 2020-10-27 GM Global Technology Operations LLC Tunable film apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065321A (en) * 1979-11-13 1981-06-24 Sharp Kk Two-layer liquid crystal display panel
EP0246842A2 (en) * 1986-05-19 1987-11-25 Seiko Epson Corporation A liquid crystal display device
EP0284372A2 (en) * 1987-03-23 1988-09-28 Sharp Kabushiki Kaisha A liquid-crystal display device
EP0319351A2 (en) * 1987-12-03 1989-06-07 Sharp Kabushiki Kaisha Liquid crystal display device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469638A (en) * 1973-07-18 1977-04-06 Secr Defence Liquid crystal display device
JPS5647535B2 (en) * 1973-07-30 1981-11-10
GB1562391A (en) * 1975-10-04 1980-03-12 Marconi Co Ltd Liquid crystal display arrangements
JPS5451858A (en) * 1977-09-30 1979-04-24 Nitto Electric Ind Co Photoopermeable and reflection type polarizing body
DE2915847C2 (en) * 1978-09-29 1986-01-16 Nitto Electric Industrial Co., Ltd., Ibaraki, Osaka Electro-optically activated display
US4443065A (en) * 1980-12-09 1984-04-17 Sharp Kabushiki Kaisha Interference color compensation double layered twisted nematic display
JPS59174819A (en) * 1983-03-24 1984-10-03 Sharp Corp liquid crystal display element
US4548479A (en) * 1983-04-01 1985-10-22 Rockwell International Corporation Isophase birefringent filters
JPS6050511A (en) * 1983-08-31 1985-03-20 Hitachi Ltd Liquid crystal display element
US4715686A (en) * 1984-11-16 1987-12-29 Seiko Epson Corporation Light-passive display device and method of manufacturing same
JPS61210324A (en) * 1985-03-15 1986-09-18 Hitachi Ltd Liquid crystal display element
KR0134974B1 (en) * 1987-07-29 1998-04-22 미다 가쓰시게 Nematic liquid crystal display with twisted spiral structure
DE3887436T2 (en) * 1987-10-13 1994-05-11 Fujitsu Ltd Liquid crystal display panel.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065321A (en) * 1979-11-13 1981-06-24 Sharp Kk Two-layer liquid crystal display panel
EP0246842A2 (en) * 1986-05-19 1987-11-25 Seiko Epson Corporation A liquid crystal display device
EP0284372A2 (en) * 1987-03-23 1988-09-28 Sharp Kabushiki Kaisha A liquid-crystal display device
EP0319351A2 (en) * 1987-12-03 1989-06-07 Sharp Kabushiki Kaisha Liquid crystal display device

Also Published As

Publication number Publication date
US5119216A (en) 1992-06-02
EP0320283B1 (en) 1994-05-25
HK108397A (en) 1997-08-22
KR890010599A (en) 1989-12-08
DE3889720D1 (en) 1994-06-30
DE3889720T2 (en) 1994-09-08
KR960007791B1 (en) 1996-06-12
EP0320283A2 (en) 1989-06-14

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